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Copy pathMI_in_speed_surrogate.m
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MI_in_speed_surrogate.m
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%rat=3
n_fs=400;
init=[1,2,7,12,42,47,48,54,84,89,94]*n_fs;
number=[9,8,7,2,4,3];
for i=1:length(number)
x=[];
y=[];
for j=1:size(matrix_low,2)
index=find(matrix_low(init(number(i)):init(number(i)+1)-1,j)<0 & matrix_low(init(number(i))+1:init(number(i)+1),j)>0);
index=init(number(i))+index;
if isempty(index)~=1
x=[x,matrix_low(index(1):index(end),j)'];
y=[y,matrix_high(index(1):index(end),j)'];
end
end
[phase amplitude]=MakeMIHistogram(x,y,20);
mi_all(i)=ModularityIndex(phase,amplitude);
mi_phase_all(i,:)=phase;
mi_amplitude_all(i,:)=amplitude;
end
for i=1:6
x=[];
y=[];
for j=1:size(matrix_low,2)
index=find(matrix_low(init(number(i)):init(number(i)+1)-1,j)<0 & matrix_low(init(number(i))+1:init(number(i)+1),j)>0);
index=init(number(i))+index;
if isempty(index)~=1
x=[x,matrix_low(index(1):index(end),j)'];
y=[y,matrix_high(index(1):index(end),j)'];
end
end
for k=1:100
position=round(rand(1,1)*length(x));
new_position=length(x)-position;
auxiliar=x;
new_signal1(1:new_position)=auxiliar(position+1:length(x));
new_signal1(new_position+1:length(x))=auxiliar(1:position);
position=round(rand(1,1)*length(x));
new_position=length(x)-position;
auxiliar=y;
new_signal2(1:new_position)=auxiliar(position+1:length(x));
new_signal2(new_position+1:length(x))=auxiliar(1:position);
[phase amplitude]=MakeMIHistogram(new_signal1,new_signal2,20);
mi_test(i,k)=ModularityIndex(phase,amplitude);
end
clear new_signal1 new_signal2
end
for i=1:6
auxiliar=sort(mi_test(i,:));
surrogate(i)=auxiliar(100);
end
subplot(2,2,1)
speeds=[-36,-6,-0.5,0.5,6,36];
bar(speeds,mi_all)
hold on
bar(speeds,surrogate)
subplot(2,2,2)
histogram(mi_test)
clear all
%rat exponential RAT14566
load('EC1_1','-mat')
%load('EC1_1_gamma','-mat')
load('EC1_1_vx','-mat')
load('EC1_1_amplitude','-mat')
counter=0;
for index=1:length(signal_low)
for trial=1:length(signal_low{index})
counter=counter+1;
matrix_low(:,counter)=signal_low{index}{trial};
matrix_high(:,counter)=signal_high{index}{trial};
matrix_amplitude_low(:,counter)=amp_low{index}{trial};
matrix_amplitude_high(:,counter)=amp_high{index}{trial};
matrix_pos(:,counter)=signal_pos{index}{trial};
end
end
n_fs=400;
init=[1,2,7,11,15,19,23,27,31,32,38,42,46,50,54,58,62]*n_fs;
number=[15,14,13,12,11,10,2,3,4,5,6,7];
for i=1:length(number)
x=[];
y=[];
for j=1:size(matrix_low,2)
index=find(matrix_low(init(number(i)):init(number(i)+1)-1,j)<0 & matrix_low(init(number(i))+1:init(number(i)+1),j)>0);
index=init(number(i))+index;
if isempty(index)~=1
x=[x,matrix_low(index(1):index(end),j)'];
y=[y,matrix_high(index(1):index(end),j)'];
end
end
[phase amplitude]=MakeMIHistogram(x,y,20);
mi_all(i)=ModularityIndex(phase,amplitude);
mi_phase_all(i,:)=phase;
mi_amplitude_all(i,:)=amplitude;
end
for i=1:12
x=[];
y=[];
for j=1:size(matrix_low,2)
index=find(matrix_low(init(number(i)):init(number(i)+1)-1,j)<0 & matrix_low(init(number(i))+1:init(number(i)+1),j)>0);
index=init(number(i))+index;
if isempty(index)~=1
x=[x,matrix_low(index(1):index(end),j)'];
y=[y,matrix_high(index(1):index(end),j)'];
end
end
for k=1:100
position=round(rand(1,1)*length(x));
new_position=length(x)-position;
auxiliar=x;
new_signal1(1:new_position)=auxiliar(position+1:length(x));
new_signal1(new_position+1:length(x))=auxiliar(1:position);
position=round(rand(1,1)*length(x));
new_position=length(x)-position;
auxiliar=y;
new_signal2(1:new_position)=auxiliar(position+1:length(x));
new_signal2(new_position+1:length(x))=auxiliar(1:position);
[phase amplitude]=MakeMIHistogram(new_signal1,new_signal2,20);
mi_test(i,k)=ModularityIndex(phase,amplitude);
end
clear new_signal1 new_signal2
end
for i=1:12
auxiliar=sort(mi_test(i,:));
surrogate(i)=auxiliar(100);
end
subplot(2,2,3)
speeds=[-5,-4,-3,-2,-1,-0.5,0.5,1,2,3,4,5];
bar(speeds,mi_all)
hold on
bar(speeds,surrogate)
subplot(2,2,4)
histogram(mi_test)